68507280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:258

約数の個数: 240

約数和(自身を含む): 253309680

約数和(自身を除く): 184802400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 29, 30, 34, 36, 40, 45, 48, 51, 58, 60, 68, 72, 80, 85, 87, 90, 102, 116, 120, 136, 144, 145, 153, 170, 174, 180, 193, 204, 232, 240, 255, 261, 272, 290, 306, 340, 348, 360, 386, 408, 435, 464, 493, 510, 522, 579, 580, 612, 680, 696, 720, 765, 772, 816, 870, 965, 986, 1020, 1044, 1158, 1160, 1224, 1305, 1360, 1392, 1479, 1530, 1544, 1737, 1740, 1930, 1972, 2040, 2088, 2316, 2320, 2448, 2465, 2610, 2895, 2958, 3060, 3088, 3281, 3474, 3480, 3860, 3944, 4080, 4176, 4437, 4632, 4930, 5220, 5597, 5790, 5916, 6120, 6562, 6948, 6960, 7395, 7720, 7888, 8685, 8874, 9264, 9843, 9860, 10440, 11194, 11580, 11832, 12240, 13124, 13896, 14790, 15440, 16405, 16791, 17370, 17748, 19686, 19720, 20880, 22185, 22388, 23160, 23664, 26248, 27792, 27985, 29529, 29580, 32810, 33582, 34740, 35496, 39372, 39440, 44370, 44776, 46320, 49215, 50373, 52496, 55970, 59058, 59160, 65620, 67164, 69480, 70992, 78744, 83955, 88740, 89552, 95149, 98430, 100746, 111940, 118116, 118320, 131240, 134328, 138960, 147645, 157488, 167910, 177480, 190298, 196860, 201492, 223880, 236232, 251865, 262480, 268656, 285447, 295290, 335820, 354960, 380596, 393720, 402984, 447760, 472464, 475745, 503730, 570894, 590580, 671640, 761192, 787440, 805968, 856341, 951490, 1007460, 1141788, 1181160, 1343280, 1427235, 1522384, 1712682, 1902980, 2014920, 2283576, 2362320, 2854470, 3425364, 3805960, 4029840, 4281705, 4567152, 5708940, 6850728, 7611920, 8563410, 11417880, 13701456, 17126820, 22835760, 34253640, 68507280]

約数ペア:

[(1, 68507280), (2, 34253640), (3, 22835760), (4, 17126820), (5, 13701456), (6, 11417880), (8, 8563410), (9, 7611920), (10, 6850728), (12, 5708940), (15, 4567152), (16, 4281705), (17, 4029840), (18, 3805960), (20, 3425364), (24, 2854470), (29, 2362320), (30, 2283576), (34, 2014920), (36, 1902980), (40, 1712682), (45, 1522384), (48, 1427235), (51, 1343280), (58, 1181160), (60, 1141788), (68, 1007460), (72, 951490), (80, 856341), (85, 805968), (87, 787440), (90, 761192), (102, 671640), (116, 590580), (120, 570894), (136, 503730), (144, 475745), (145, 472464), (153, 447760), (170, 402984), (174, 393720), (180, 380596), (193, 354960), (204, 335820), (232, 295290), (240, 285447), (255, 268656), (261, 262480), (272, 251865), (290, 236232), (306, 223880), (340, 201492), (348, 196860), (360, 190298), (386, 177480), (408, 167910), (435, 157488), (464, 147645), (493, 138960), (510, 134328), (522, 131240), (579, 118320), (580, 118116), (612, 111940), (680, 100746), (696, 98430), (720, 95149), (765, 89552), (772, 88740), (816, 83955), (870, 78744), (965, 70992), (986, 69480), (1020, 67164), (1044, 65620), (1158, 59160), (1160, 59058), (1224, 55970), (1305, 52496), (1360, 50373), (1392, 49215), (1479, 46320), (1530, 44776), (1544, 44370), (1737, 39440), (1740, 39372), (1930, 35496), (1972, 34740), (2040, 33582), (2088, 32810), (2316, 29580), (2320, 29529), (2448, 27985), (2465, 27792), (2610, 26248), (2895, 23664), (2958, 23160), (3060, 22388), (3088, 22185), (3281, 20880), (3474, 19720), (3480, 19686), (3860, 17748), (3944, 17370), (4080, 16791), (4176, 16405), (4437, 15440), (4632, 14790), (4930, 13896), (5220, 13124), (5597, 12240), (5790, 11832), (5916, 11580), (6120, 11194), (6562, 10440), (6948, 9860), (6960, 9843), (7395, 9264), (7720, 8874), (7888, 8685)]